Oxlade, Chris

Presents an introduction to being an explorer, and contains several related activities with easy-to-follow instructions for each.

An exploration of the history of modern medicine that describes changes in pharmaceuticals, surgery techniques, and more.

What are pulleys? How do pulleys work? Do boats have pulleys. Read this book to find out how pulleys work in pairs, how pulleys make elevators work, and how they are used in washing machines.

Describes what wheels are and how they work, different types of wheels and their uses, and other facts about wheels.

Describes what levers are, how they work, different parts of a lever, and how they are used.

Describes what screws are and how they work, different kinds of screws and their uses, and other facts about screws.

Describes what ramps and wedges are and how they work, different types of ramps and wedges and their uses, and other facts aout these simple machines.

Take a fascinating tour of the mightiest fighting ships of all time?from ancient Greek galleys to gigantic modern aircraft carriers. Get an up-close view of these incredible battleships as you step onto the gun decks of HMS Victory, look inside the control bridge of USS Zumwalt, and explore a modern destroyer. From Greek fire to guided missiles, discover how seafaring technology and weaponry have developed throughout military history, and encounter life at sea.

Details the characteristics of electric circuits and examines how they function. Discusses how components and switches work and how these items are used to build complete electrical systems. Includes full-color photographs, a glossary, and further reading sources.

Provides a history of transportation, covering key inventions and inventors.